Question

Find the hexadecimal expansion of (ABC)16 + (2F5)16

(Ans: (DB1)16

Answer 1

Add digit by digit:
ABC
+ DB1
------
186D
C+1=D
B+B=11+11=22=6 with carry
A+D=10+13+carry=24(base 10)=18 (hex)

Answer 2

how is (b+b)=22?

Answer 3

Sorry, let's start over:
Add digit by digit:
ABC
+ 2F5
------
DB1
C+5=12+5=17(base 10) = 1 with carry
B+F+carry=11+15+carry=27(base 10)=B with carry
A+2+carry=D

Answer 4

B(hex)=11(10)
So
11(10)+11(10)=22(10)=16(hex)

Answer 5

You are the king !!

Answer 6

Thank you! I hope you can tackle anything now!